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Insect herbivore and fungal communities on Agathis (Araucariaceae) from the latest Cretaceous to Recent

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Insect herbivore and fungal communities on Agathis (Araucariaceae) from the latest Cretaceous to Recent

by
Donovan, Michael P.; Wilf, Peter; Iglesias, Ari; Cúneo, N. Rubén; Labandeira, Conrad C.

Publication date
Usage
https://creativecommons.org/share-your-work/public-domain/cc0/
Topics
Araucariaceae, Gondwana, herbivory, plant-insect associations
Publisher
Pensoft Publishers
Collection
biodiversity
Contributor
Pensoft Publishers
Language
English
Rights
https://biodiversitylibrary.org/permissions
Rights-holder
Copyright held by individual article author(s).
Volume
226
Item Size
87.0M
Abstract
Agathis (Araucariaceae) is a genus of broadleaved conifers that today inhabits lowland to upper montane rainforests of Australasia and Southeast Asia. A previous report showed that the earliest known fossils of the genus, from the early Paleogene and possibly latest Cretaceous of Patagonian Argentina, host diverse assemblages of insect and fungal associations, including distinctive leaf mines. Here, we provide complete documentation of the fossilized Agathis herbivore communities from Cretaceous to Recent, describing and comparing insect and fungal damage on Agathis across four latest Cretaceous to early Paleogene time slices in Patagonia with that on 15 extant species. Notable fossil associations include various types of external foliage feeding, leaf mines, galls, and a rust fungus. In addition, enigmatic structures, possibly armored scale insect (Diaspididae) covers or galls, occur on Agathis over a 16-million-year period in the early Paleogene. The extant Agathis species, throughout the range of the genus, are associated with a diverse array of mostly undescribed damage similar to the fossils, demonstrating the importance of Agathis as a host of diverse insect herbivores and pathogens and their little-known evolutionary history.
Addeddate
2025-05-03 01:08:39
Bhl_virtual_titleid
210913
Bhl_virtual_volume
v.226 (2023)
Call number
10_3897_phytokeys_226_99316
Call-number
10_3897_phytokeys_226_99316
Foldoutcount
0
Genre
article
Identifier
insectherbivore226dono
Identifier-ark
ark:/13960/s2bwz68vnps
Identifier-bib
10_3897_phytokeys_226_99316
Identifier-doi
10.3897/phytokeys.226.99316


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